Base | Representation |
---|---|
bin | 1100000010100110… |
… | …01100100000101111 |
3 | 121200111122102212100 |
4 | 12001103030200233 |
5 | 101214322311033 |
6 | 2545235310143 |
7 | 316122206325 |
oct | 60123144057 |
9 | 17614572770 |
10 | 6464260143 |
11 | 28179a7360 |
12 | 1304a4b353 |
13 | 7c0319403 |
14 | 45473dd15 |
15 | 27c791513 |
hex | 1814cc82f |
6464260143 has 12 divisors (see below), whose sum is σ = 10186107048. Its totient is φ = 3917733360.
The previous prime is 6464260141. The next prime is 6464260171. The reversal of 6464260143 is 3410624646.
6464260143 is a `hidden beast` number, since 6 + 4 + 6 + 4 + 2 + 601 + 43 = 666.
It is not a de Polignac number, because 6464260143 - 21 = 6464260141 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 6464260098 and 6464260107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6464260141) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32647680 + ... + 32647877.
It is an arithmetic number, because the mean of its divisors is an integer number (848842254).
Almost surely, 26464260143 is an apocalyptic number.
6464260143 is a deficient number, since it is larger than the sum of its proper divisors (3721846905).
6464260143 is a wasteful number, since it uses less digits than its factorization.
6464260143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65295574 (or 65295571 counting only the distinct ones).
The product of its (nonzero) digits is 82944, while the sum is 36.
The square root of 6464260143 is about 80400.6227774387. The cubic root of 6464260143 is about 1862.8287922340.
Adding to 6464260143 its reverse (3410624646), we get a palindrome (9874884789).
The spelling of 6464260143 in words is "six billion, four hundred sixty-four million, two hundred sixty thousand, one hundred forty-three".
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